Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Ratio and Proportion
The ratio of boys and girls in a dance school is 7 ∶ 5. If, in the next session, 35 boys and 20 girls join the school, the ratio of boys and girls becomes 3 ∶ 2. How many girls are in the school now?
1
110
2
70
3
105
4
More than one of the above
5
None of the above